Today | Weather | Tuesday, November 3, 2026
Active Weather Warnings

Weather in Flagstaff, Arizona

12:36 AM
Now
Cloudy Night
37° F
Feels Like 30°
Precipitation 0 %
Wind 9 mph
Humidity 79 %
Today
Sunny Weather
Day 59°
Night 36°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 4

Flagstaff Weather Forecast Updated

47 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 3, 2025)
Cloudy Night

Day

66°

Night

34°

Wind

6 mph

Precipitation

0 %

Air Quality in Flagstaff

NOW
26 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.35 µg/m³
PM10 13.41 µg/m³
O3 0.023 ppm
NO2 6.6 ppb
SO2 0.1 ppb
CO 0.17 ppm
NH3 1.27 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 6.35 µg/m³
PM10 – 13.41 µg/m³
O3 – 45.33 µg/m³
NO2 – 12.33 µg/m³
SO2 – 0.16 µg/m³
CO – 196.69 µg/m³
NH3 – 1.27 µg/m³
NO – 0 µg/m³

Weather Alerts and Warnings for Flagstaff

Severe Expected Likely

Flood Warning

Flood Warning issued November 2 at 10:36PM MST until November 3 at 6:00AM MST by NWS Flagstaff AZ
Nov 2, 10:36 PM → Nov 3, 6:00 AM
WHAT: Flooding caused by excessive rainfall continues.

WHERE: The Rio de Flag near Flagstaff in Coconino County.

WHEN: Until 600 AM MST Tuesday.

IMPACTS: Flooding of the Little Colorado River is occurring.

ADDITIONAL DETAILS:
- At 1033 PM MST, river gauges along the Rio de Flag show falling
water levels, however flow remained elevated from Foxglenn Park
to Picture Canyon Preserve. Flooding will remain a threat in the
Country Club neighborhood through the early morning hours as
water levels fall.
- This includes the following creeks, washes and rivers...
Rio de Flag.
- Some locations that will experience flooding include...
Downtown Flagstaff, Country Club and Coconino Estates.
- This includes the following recreation areas andcampgrounds...
Ponderosa Trails Park, Thorpe Park, Wheeler Park, Foxglenn Park
and Picture Canyon Preserve.
- Additional information is available at weather.gov/flagstaff.
+ Read More
Be aware of your surroundings and do not drive on flooded roads. Stay away or be swept away! The banks of creeks and washes are unstable and unsafe during any flooding event.
Updated: Nov 2, 11:49 PM Source: NWS Alert